Prospex

A close sibling to the SBDY057, the SBDY059 is likewise a 45 mm steel diver on a rubber-or-silicone strap, rated to 200 m and driven by the 4R36 automatic at 21,600 vph with a 41-hour reserve. Its matte dial and LumiBrite indexes mark it as one of the strap-mounted 4R36 variants produced from 2020…

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